Added WM_DEVICECHANGE

Author: jNizM

src/messages/WM_DEVICECHANGE.ahk

@@ -0,0 +1,40 @@
+; GLOBAL SETTINGS ===============================================================================================================
+
+#NoEnv
+#Persistent
+#SingleInstance Force
+SetBatchLines -1
+
+OnMessage(0x0219, "WM_DEVICECHANGE")
+
+; SCRIPT ========================================================================================================================
+
+; ....
+
+; FUNCTIONS =====================================================================================================================
+
+WM_DEVICECHANGE(wParam, lParam)
+{
+    static init := OnMessage(0x0219, "WM_DEVICECHANGE")
+    if (wParam = 0x8000) || (wParam = 0x8004) && ((NumGet(lParam+4, "UInt")) = 0x2) {
+        i := 0, mask := NumGet(lParam+12, "UInt")
+        while (mask > 1) && (++i < 0x1A)
+            mask >>= 1
+        DeviceChangeInfo(Chr(0x41 + i) ":\", wParam)
+    }
+}
+
+DeviceChangeInfo(device, state)
+{
+    MsgBox, 0x40, % "Device Change", % device " " ((state = 0x8000) ? "plugged in" : (state = 0x8004) ? "is removed" : ""), 2
+}
+
+; ===============================================================================================================================
+
+/*
+https://msdn.microsoft.com/en-us/library/aa363480(v=vs.85).aspx    WM_DEVICECHANGE message
+https://msdn.microsoft.com/en-us/library/aa363205(v=vs.85).aspx    DBT_DEVICEARRIVAL event
+https://msdn.microsoft.com/en-us/library/aa363208(v=vs.85).aspx    DBT_DEVICEREMOVECOMPLETE event
+https://msdn.microsoft.com/en-us/library/aa363246(v=vs.85).aspx    DEV_BROADCAST_HDR structure
+https://msdn.microsoft.com/en-us/library/aa363249(v=vs.85).aspx    DEV_BROADCAST_VOLUME structure
+*/